In-Service Transceiver Calibration with Extracting IQ Difference via Offloaded Adaptive Multi-layer Filters
Konferenz: ECOC 2024 - 50th European Conference on Optical Communication
22.09.2024-26.09.2024 in Frankfurt, Germany
Tagungsband: ITG-Fb. 317: ECOC 2024
Seiten: 4Sprache: EnglischTyp: PDF
Autoren:
Sato, Masaki; Noguchi, Hidemi; Matsui, Junichiro; Abe, Jun'ichi; Hosokawa, Kohei
Inhalt:
We demonstrated in-service transceiver calibration for 128-GBd PM-PCS-64QAM via adaptive multi-layer filters over 120-km SMF. After compensating the Tx/Rx-IQ difference only, Q-penalties of 0.1 dB with 2 ps Tx-IQ skew, 3 ps Rx-IQ-skew, 2 dB IQ peaking error, and 60-GHz Rx-IQ bandwidth imbalance were achieved.